20078972883

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2063827}}^1$

素因数の和:2063903

約数の個数: 24

約数和(自身を含む): 30907888128

約数和(自身を除く): 10828915245

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 9729, 2063827, 6191481, 18574443, 47468021, 96999869, 142404063, 290999607, 427212189, 872998821, 2230996987, 6692990961, 20078972883]

約数ペア:

[(1, 20078972883), (3, 6692990961), (9, 2230996987), (23, 872998821), (47, 427212189), (69, 290999607), (141, 142404063), (207, 96999869), (423, 47468021), (1081, 18574443), (3243, 6191481), (9729, 2063827)]